180338600

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{499}}^1$

素因数の和:667

約数の個数: 96

約数和(自身を含む): 455700000

約数和(自身を除く): 275361400

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 130, 139, 200, 260, 278, 325, 499, 520, 556, 650, 695, 998, 1112, 1300, 1390, 1807, 1996, 2495, 2600, 2780, 3475, 3614, 3992, 4990, 5560, 6487, 6950, 7228, 9035, 9980, 12475, 12974, 13900, 14456, 18070, 19960, 24950, 25948, 27800, 32435, 36140, 45175, 49900, 51896, 64870, 69361, 72280, 90350, 99800, 129740, 138722, 162175, 180700, 259480, 277444, 324350, 346805, 361400, 554888, 648700, 693610, 901693, 1297400, 1387220, 1734025, 1803386, 2774440, 3468050, 3606772, 4508465, 6936100, 7213544, 9016930, 13872200, 18033860, 22542325, 36067720, 45084650, 90169300, 180338600]

約数ペア:

[(1, 180338600), (2, 90169300), (4, 45084650), (5, 36067720), (8, 22542325), (10, 18033860), (13, 13872200), (20, 9016930), (25, 7213544), (26, 6936100), (40, 4508465), (50, 3606772), (52, 3468050), (65, 2774440), (100, 1803386), (104, 1734025), (130, 1387220), (139, 1297400), (200, 901693), (260, 693610), (278, 648700), (325, 554888), (499, 361400), (520, 346805), (556, 324350), (650, 277444), (695, 259480), (998, 180700), (1112, 162175), (1300, 138722), (1390, 129740), (1807, 99800), (1996, 90350), (2495, 72280), (2600, 69361), (2780, 64870), (3475, 51896), (3614, 49900), (3992, 45175), (4990, 36140), (5560, 32435), (6487, 27800), (6950, 25948), (7228, 24950), (9035, 19960), (9980, 18070), (12475, 14456), (12974, 13900)]